Format and beautify JSON with syntax highlighting and validation.
WCAG Colour Contrast Checker
Check WCAG contrast ratios for opaque text and background colours.
Free · No signup
Make every word readable.
Preview regular text against your chosen background.
Contrast ratio: 12.63:1
Related tools
Useful next steps for this task
Minify JSON by removing whitespace.
Validate JSON syntax and display errors.
Query JSON data using JSONPath expressions.
Escape or unescape JSON strings.
Clean Markdown headings, lists, links and blank lines with optional formatting controls. Preserve fenced code blocks and preview the result.